Pith Number

pith:KYKAYMKZ

pith:2018:KYKAYMKZADKR7C4NXVP6WGHVHO

not attested not anchored not stored refs pending

The core variety and representing measures in the truncated moment problem

Grigoriy Blekherman, Lawrence Fialkow

arxiv:1804.04276 v1 · 2018-04-12 · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KYKAYMKZADKR7C4NXVP6WGHVHO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:18:40.095029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56140c315900d51f8b8dbd5feb18f53b880a822c98bc44435a7505acff7f6f4a

Aliases

arxiv: 1804.04276 · arxiv_version: 1804.04276v1 · doi: 10.48550/arxiv.1804.04276 · pith_short_12: KYKAYMKZADKR · pith_short_16: KYKAYMKZADKR7C4N · pith_short_8: KYKAYMKZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KYKAYMKZADKR7C4NXVP6WGHVHO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 56140c315900d51f8b8dbd5feb18f53b880a822c98bc44435a7505acff7f6f4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e92f50ed0300f12bc23532b3354f567fa165afa3124a44bfb7ee08d38e46340f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-04-12T01:56:21Z",
    "title_canon_sha256": "0b60f988140e30c1171d60e5d276396bcc36985ded795e9c896aeb5926a73183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04276",
    "kind": "arxiv",
    "version": 1
  }
}